1405341605 has 8 divisors (see below), whose sum is σ = 1686876192. Its totient is φ = 1123962448.

The previous prime is 1405341599. The next prime is 1405341611. The reversal of 1405341605 is 5061435041.

It is a happy number.

1405341605 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (1405341599) and next prime (1405341611).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1405341605 - 2⁴ = 1405341589 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17939 + ... + 55968.

It is an arithmetic number, because the mean of its divisors is an integer number (210859524).

Almost surely, 2^1405341605 is an apocalyptic number.

It is an amenable number.

1405341605 is a deficient number, since it is larger than the sum of its proper divisors (281534587).

1405341605 is an equidigital number, since it uses as much as digits as its factorization.

1405341605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77715.

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 1405341605 is about 37487.8861100489. The cubic root of 1405341605 is about 1120.1098970075.

Adding to 1405341605 its reverse (5061435041), we get a palindrome (6466776646).

The spelling of 1405341605 in words is "one billion, four hundred five million, three hundred forty-one thousand, six hundred five".